P1760 · blink 77 – LINEAR SOLENOID FOR ACCUMULATOR PRESSURE CONTROL MALFUNCTION (SLT)
- System
- ECT U441E
- Dashboard light
- Malfunction indicator lamp (Check Engine)
- Check-engine blink code
- 77
- Applies to
- 4-speed A/T U441E. Not a PK fitment (the PK EPC lists only A246E and U340E). Other-market fitment unverified.
- Description
- LINEAR SOLENOID FOR ACCUMULATOR PRESSURE CONTROL MALFUNCTION (SLT)
- Detection / symptoms
- Detection: (a) or (b) condition below is detected for 1 second or more. (a) SLT− terminal: 0V (b) SLT− terminal: 12V 5 V/ HINT: Division Refer to the chart fo and SLT− during engin GND
- Possible causes
- Transmission wire; Wire harness; SLT solenoid valve; Engine ECU r the wave form between terminals SLT+ e idling.
- What to check
- Workshop check order (RM821E): INSPECT TRANSMISSION WIRE(SLT) -> CHECK WIRE HARNESS AND CONNECTOR(Transmission wire − ECU) -> INSPECT LINE PRESSURE CONTROL SOLENOID ASSY(SLT)
- Confidence
- high (official Toyota RM821E)
From the factory service material. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights